Collision retardation and its role in femtosecond-laser excitation of semiconductor plasmas
Transmission times from the central GAMMA valley in GaAs to the satellite X and L valleys are comparable to the reciprocal of the frequency of the phonon involved, bringing into question the use of standard perturbation theory approaches. Authors investigate the role of retardation arising from coll...
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Veröffentlicht in: | Physical review letters 1991-07, Vol.67 (5), p.633-635 |
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description | Transmission times from the central GAMMA valley in GaAs to the satellite X and L valleys are comparable to the reciprocal of the frequency of the phonon involved, bringing into question the use of standard perturbation theory approaches. Authors investigate the role of retardation arising from collision duration required for such a transition to occur, through the use of a path-integral form for the quantum kinetic equation. A secondary self-scattering process and a probability of completed collisions are used to cast this equation in a semiclassical form. |
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A secondary self-scattering process and a probability of completed collisions are used to cast this equation in a semiclassical form.</description><subject>Collective effects</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Electron states</subject><subject>Exact sciences and technology</subject><subject>Exchange, correlation, dielectric and magnetic functions, plasmons</subject><subject>Physics</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LJDEQhoO46DjrH_AgfRDx0mOq89V9lMGPhYFdFj15aNLpaoykO2OSEf33m2EG8bSXqoJ66oV6CDkDugCg7Hr98hkDvjtMaSHVQjJ2QGZAVVMqAH5IZpQyKBtK1TE5ifGVUgqVrI_IMVDKecPrGXleeudstH4qAiYdep22s576wqZYBO-wsFMx4Jh8ROOnvnQ6Yijww9i0g_1QRBztdrkxyYdinZFRx5_kx6BdxNN9n5Onu9vH5UO5-n3_a3mzKg1XMm2rbmSjGgTKoeugG4Sohe4RBZOsqxEqkAIGCgNXqheKMcN41aDoJSjD5uRyl7sO_m2DMbWjjQad0xP6TWwrAYxVWc-cXP0XhFo0Vc0pyIxWO9QEH7PloV0HO-rw2QJtt_bbP9n-X3xfZfutVG2Oz0fn-_xNN2L_7WSnOwMXe0BHo90Q9GRs_OIykz-t2T9r8pDT</recordid><startdate>19910729</startdate><enddate>19910729</enddate><creator>FERRY, D. 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subjects | Collective effects Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron states Exact sciences and technology Exchange, correlation, dielectric and magnetic functions, plasmons Physics |
title | Collision retardation and its role in femtosecond-laser excitation of semiconductor plasmas |
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